Key holder



FIG. 1 is a perspective view of the key holder, according to my new design;

FIG. 2 is a front side view;

FIG. 3 is a back side view;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view of the key holder;

FIG. 6 is a side elevation looking in from left of FIG. 1; and,

FIG. 7 is a side elevation looking in from right of FIG. 1. 

The ornamental design for key holder, as shown and described. 